panic: ffs_freefile: freeing free inode
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*141949 52018 0 0x2 0 0 syz-executor
284904 11697 0 0x14000 0x200 1 zerothread
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834278dd) at panic+0x1e5 sys/kern/subr_prf.c:198
ffs_freefile(fffffd806c641ce0,665e,2000) at ffs_freefile+0x45f
ffs_inode_free(fffffd806c641ce0,665e,2000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a336ab0) at ufs_inactive+0x29c sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd8066750440,ffff80002a231ca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd8066750440) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd8066750008,fffffd8066750440,ffff80002a336c18) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff80002a231ca0,ffffff9c,75edd15662c0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a336d90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a336d90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x75edd1566770, count: 4
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: ffs_freefile: freeing free inode
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834278dd) at panic+0x1e5 sys/kern/subr_prf.c:198
ffs_freefile(fffffd806c641ce0,665e,2000) at ffs_freefile+0x45f
ffs_inode_free(fffffd806c641ce0,665e,2000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a336ab0) at ufs_inactive+0x29c sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd8066750440,ffff80002a231ca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd8066750440) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd8066750008,fffffd8066750440,ffff80002a336c18) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff80002a231ca0,ffffff9c,75edd15662c0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a336d90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a336d90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x75edd1566770, count: -11
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a3368b0
rbx 0xffffffff8390fe07 cpu_info_full_primary+0x2e07
rdx 0
rcx 0xffff80002a231ca0
rax 0xffffffff8390eff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x10c1c55941074527
r11 0xf78fd269b2df2f62
r12 0xffffffff8390fc08 cpu_info_full_primary+0x2c08
r13 0
r14 0
r15 0x1
rip 0xffffffff8299c4b5 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a3368a0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=141949 pid=52018 tcnt=1 stat=onproc
flags process=2<EXEC> proc=0
runpri=17, usrpri=50, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff8000ffffd760,0xffff80002a2314e8
process=0xffff8000ffff5ce8 user=0xffff80002a331000, vmspace=0xfffffd800b0633d0
estcpu=36, cpticks=5, pctcpu=0.4, user=0, sys=5, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
66767 23958 19881 0 2 0xc90 syz-executor
66767 25056 19881 0 3 0x4000090 rest syz-executor
66767 130875 19881 0 3 0x4000090 fsleep syz-executor
62784 448024 35403 0 2 0 syz-executor
62784 44129 35403 0 3 0x4000000 biowait syz-executor
35403 288073 48065 0 2 0xc82 syz-executor
*52018 141949 48065 0 7 0x2 syz-executor
19881 368784 48065 0 2 0xc82 syz-executor
48065 61487 13140 0 3 0x82 wait syz-executor
13140 179262 10767 0 3 0x10008a sigsusp ksh
10767 178724 31463 0 3 0x98 kqread sshd-session
31463 8193 60435 0 3 0x92 kqread sshd-session
93435 375326 1 0 3 0x100083 ttyin getty
60435 358151 1 0 3 0x88 kqread sshd
21837 46536 40278 74 2 0x1100092 pflogd
40278 341255 1 0 3 0x80 sbwait pflogd
68068 313146 10841 73 3 0x1100090 kqread syslogd
10841 474827 1 0 3 0x100082 sbwait syslogd
41641 1199 1 0 3 0x100080 kqread resolvd
18654 270390 27254 77 3 0x100092 kqread dhcpleased
75709 290172 27254 77 3 0x100092 kqread dhcpleased
27254 20716 1 0 3 0x80 kqread dhcpleased
75150 98310 0 0 3 0x14200 bored smr
11697 284904 0 0 7 0x14200 zerothread
61304 335359 0 0 3 0x14200 aiodoned aiodoned
15323 433308 0 0 2 0x14e00 update
58792 274711 0 0 3 0x14200 cleaner cleaner
583 307466 0 0 3 0x14200 reaper reaper
9453 175122 0 0 3 0x14200 pgdaemon pagedaemon
71301 177931 0 0 3 0x14200 bored viomb
39663 498904 0 0 3 0x40014200 acpi0 acpi0
82686 127981 0 0 3 0x40014200 idle1
50521 337533 0 0 3 0x14200 bored softnet1
84676 152992 0 0 2 0x14200 softnet0
47335 57076 0 0 2 0x14200 systqmp
51637 176346 0 0 3 0x14200 bored systq
32969 279601 0 0 3 0x14200 tmoslp softclockmp
97595 448327 0 0 3 0x40014200 tmoslp softclock
80387 29696 0 0 3 0x40014200 idle0
1 486182 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 62784 (syz-executor) thread 0xffff80002a231a08 (44129)
exclusive rrwlock inode r = 0 (0xfffffd806d536678)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 uvn_io+0x411 sys/uvm/uvm_vnode.c:1226
#6 uvn_put+0x125 sys/uvm/uvm_vnode.c:891
#7 uvm_pager_put+0x10a sys/uvm/uvm_pager.c:505
#8 uvn_flush+0x690 sys/uvm/uvm_vnode.c:705
#9 uvm_vnp_sync+0x1e7 sys/uvm/uvm_vnode.c:1501
#10 sys_sync+0xda sys/kern/vfs_syscalls.c:534
#11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#12 Xsyscall+0x128
exclusive rwlock uvnsync r = 0 (0xffffffff83980158)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 uvm_vnp_sync+0x31 sys/uvm/uvm_vnode.c:1460
#3 sys_sync+0xda sys/kern/vfs_syscalls.c:534
#4 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
shared rwlock vfslock r = 0 (0xffff800000c5a060)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 vfs_busy+0x94 sys/kern/vfs_subr.c:242
#3 sys_sync+0x5d sys/kern/vfs_syscalls.c:528
#4 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#4 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#5 Xsyscall+0x128
Process 52018 (syz-executor) thread 0xffff80002a231ca0 (141949)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a28f40)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1
#2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369
#3 biowait+0xc6 sys/kern/vfs_bio.c:1242
#4 ffs_freefile+0xbe ffs_cgread sys/ufs/ffs/ffs_alloc.c:850 [inline]
#4 ffs_freefile+0xbe sys/ufs/ffs/ffs_alloc.c:1377
#5 ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
#6 ufs_inactive+0x29c sys/ufs/ufs/ufs_inode.c:94
#7 VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
#8 vput+0xe5 sys/kern/vfs_subr.c:789
#9 VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
#10 dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
#11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#12 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c641d80)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vget+0x2a2 sys/kern/vfs_subr.c:686
#6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98
#7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203
#8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478
#9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567
#11 namei+0x7ca sys/kern/vfs_lookup.c:250
#12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887
#13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#14 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd806c67ed78)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320
#2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621
#3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527
#4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576
#5 vget+0x2a2 sys/kern/vfs_subr.c:686
#6 cache_lookup+0x351 sys/kern/vfs_cache.c:222
#7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160
#8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85
#9 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567
#10 namei+0x7ca sys/kern/vfs_lookup.c:250
#11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887
#12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
#12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
#13 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11064 12158K 12346K 166960K 12169 0
pcb 17 12K 12K 166960K 19 0
rtable 237 6K 7K 166960K 359 0
pf 34 17K 18K 166960K 45 0
ifaddr 43 7K 7K 166960K 45 0
ifgroup 55 2K 2K 166960K 55 0
sysctl 1 1K 9K 166960K 5 0
counters 70 37K 37K 166960K 70 0
ioctlops 0 0K 4K 166960K 1484 0
iov 0 0K 4K 166960K 1 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1292 81K 81K 166960K 1365 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 1K 166960K 2 0
VM map 2 1K 1K 166960K 2 0
sem 4 0K 0K 166960K 4 0
dirhash 12 2K 2K 166960K 12 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 12 41K 93K 166960K 144 0
proc 69 115K 163K 166960K 551 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 2 0
in_multi 99 7K 7K 166960K 99 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 49 228K 228K 166960K 49 0
exec 0 0K 1K 166960K 390 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 192 158K 169K 166960K 3274 0
UVM aobj 3 2K 2K 166960K 3 0
pinsyscall 37 74K 106K 166960K 1321 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 2 0
NDP 28 2K 2K 166960K 28 0
temp 33 9074K 9140K 166960K 4198 0
kqueue 13 20K 22K 166960K 23 0
SYN cache 2 16K 16K 166960K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache 128 26 0 0 1 0 1 1 0 8 0
rtpcb 120 37 0 34 1 0 1 1 0 8 0
rtentry 176 111 0 1 5 0 5 5 0 8 0
unpcb 144 40 0 21 1 0 1 1 0 8 0
syncache 336 3 0 3 1 0 1 1 0 8 1
tcpcb 736 10 0 5 1 0 1 1 0 8 0
arp 136 18 0 0 1 0 1 1 0 8 0
inpcb 328 74 0 65 1 0 1 1 0 8 0
nd6 152 24 0 0 1 0 1 1 0 8 0
kcovpl 48 8 0 0 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 18 0 0 1 0 1 1 0 8 0
pfstkey 128 18 0 0 1 0 1 1 0 8 0
pfstate 448 18 0 0 2 0 2 2 0 8 0
pfrule 1360 21 0 15 2 0 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 453 0 0 29 0 29 29 0 8 0
art_table 40 454 0 0 5 0 5 5 0 8 0
art_node 32 111 0 11 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 112 2 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1574 0 106 92 0 92 92 0 8 0
ffsino 296 1576 0 108 114 0 114 114 0 8 0
nchpl 144 1787 0 84 64 0 64 64 0 8 0
vnodes 216 1669 0 0 93 0 93 93 0 8 0
namei 1024 5484 0 5484 2 0 2 2 0 8 2
percpumem 16 50 0 0 1 0 1 1 0 8 0
kstatmem 264 27 0 0 2 0 2 2 0 8 0
scxspl 216 6308 0 6307 10 2 8 8 1 8 7
plimitpl 152 125 0 108 1 0 1 1 0 8 0
sigapl 424 468 0 426 7 0 7 7 0 8 1
knotepl 120 53 0 0 2 0 2 2 0 8 0
kqueuepl 224 20 0 11 1 0 1 1 0 8 0
pipepl 344 126 0 99 3 0 3 3 0 8 0
fdescpl 528 452 0 426 3 0 3 3 0 8 0
filepl 160 1602 0 1390 10 0 10 10 0 8 0
lockfpl 104 8 0 6 1 0 1 1 0 8 0
lockfspl 48 5 0 3 1 0 1 1 0 8 0
sessionpl 144 23 0 14 1 0 1 1 0 8 0
pgrppl 48 33 0 16 1 0 1 1 0 8 0
ucredpl 104 85 0 71 1 0 1 1 0 8 0
zombiepl 144 431 0 426 1 0 1 1 0 8 0
processpl 1232 468 0 426 5 0 5 5 0 8 0
procpl 664 488 0 443 5 0 5 5 0 8 0
sockpl 752 151 0 120 4 0 4 4 0 8 0
mcl8k 8192 1 0 0 1 0 1 1 0 8 0
mcl4k 4096 117 0 0 15 0 15 15 0 8 0
mcl2k 2048 17 0 0 3 0 3 3 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 119 0 0 8 0 8 8 0 8 0
bufpl 280 2323 0 105 159 0 159 159 0 8 0
anonpl 32 3882 0 0 32 0 32 32 0 246 0
amapchunkpl 152 8860 0 8518 21 0 21 21 0 158 2
amappl16 200 1851 0 1837 5 0 5 5 0 8 4
amappl15 192 4 0 3 1 0 1 1 0 8 0
amappl14 184 439 0 438 1 0 1 1 0 8 0
amappl13 176 122 0 110 1 0 1 1 0 8 0
amappl12 168 706 0 681 2 0 2 2 0 8 0
amappl11 160 9 0 9 1 0 1 1 0 8 1
amappl10 152 67 0 53 1 0 1 1 0 8 0
amappl9 144 262 0 261 1 0 1 1 0 8 0
amappl8 136 107 0 106 1 0 1 1 0 8 0
amappl7 128 151 0 137 1 0 1 1 0 8 0
amappl6 120 213 0 212 1 0 1 1 0 8 0
amappl5 112 98 0 88 1 0 1 1 0 8 0
amappl4 104 288 0 269 1 0 1 1 0 8 0
amappl3 96 1543 0 1464 3 0 3 3 0 8 0
amappl2 88 543 0 484 2 0 2 2 0 8 0
amappl1 80 9582 0 8995 16 0 16 16 0 8 3
amappl 88 2534 0 2413 4 0 4 4 0 92 0
uvmvnodes 80 102 0 0 3 0 3 3 0 8 0
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 452 0 426 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 452 0 426 1 0 1 1 0 8 0
vmmpekpl 168 5537 0 5498 2 0 2 2 0 8 0
vmmpepl 168 37298 0 35676 87 0 87 87 0 357 3
vmsppl 488 451 0 426 5 0 5 5 0 8 1
rwobjpl 80 14087 0 13115 25 1 24 24 0 8 1
pdppl 4096 911 0 852 101 16 85 85 0 8 26
pvpl 32 10666 0 0 87 0 87 87 0 265 0
pmappl 256 451 0 426 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 267 0 18 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834278dd) at panic+0x1e5 sys/kern/subr_prf.c:198
ffs_freefile(fffffd806c641ce0,665e,2000) at ffs_freefile+0x45f
ffs_inode_free(fffffd806c641ce0,665e,2000) at ffs_inode_free+0x44 sys/ufs/ffs/ffs_alloc.c:1355
ufs_inactive(ffff80002a336ab0) at ufs_inactive+0x29c sys/ufs/ufs/ufs_inode.c:94
VOP_INACTIVE(fffffd8066750440,ffff80002a231ca0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498
vput(fffffd8066750440) at vput+0xe5 sys/kern/vfs_subr.c:789
VOP_REMOVE(fffffd8066750008,fffffd8066750440,ffff80002a336c18) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336
dounlinkat(ffff80002a231ca0,ffffff9c,75edd15662c0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923
syscall(ffff80002a336d90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a336d90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x75edd1566770, count: -11
ddb{0}> machine ddbcpu 1